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Sticker of Willow leaf beetle
Bug card No. 4806 of 4,939

Willow leaf beetle

Plagiodera versicolora
Eats: PlantsBeetlesPonds, rivers and shores6 legs

The willow leaf beetle is a tiny, round, shiny beetle. It is usually metallic blue or green, and sometimes purple or black. It lives on willow and poplar trees, often near water.

Lives in
Europe, and brought to North America, on willows and poplars near rivers and ponds
Length
2.5 to 4.8 mm (0.1 to 0.19 in)
Top speed
about 0.28 km/h (0.17 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It is a tiny beetle that only eats leaves.
What does it eat?
It eats the leaves and pollen of willows and poplars, especially the crack willow. Its larvae eat willow leaves too.
For real!Photo of Willow leaf beetle
Picture by Udo Schmidt. CC BY-SA 2.0, via Wikimedia Commons.

How big is it?

How long is it?

Willow leaf beetle about 4.8 mm long (0.19 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould run across a dinner table in 13 seconds

How big is Willow leaf beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It spends the winter hiding under logs, loose bark and dead leaves near its tree, and wakes up in April.

2

Its larvae turn into pupae under the leaves of the willow.

3

On hot summer days the new beetles fly about and can end up far from their trees.

4

Ladybirds, hoverfly larvae and a blue shield bug all like to eat it.

you asked

Most asked questions about Willow leaf beetle

?What does the willow leaf beetle eat?

Leaves and pollen of willow and poplar trees.

?How big is the willow leaf beetle?

Tiny. It is only 2.5 to 5 millimetres long.

For bug experts

Scientific name
Plagiodera versicolora
Group
Beetles
Family
Chrysomelidae
Classification
Insecta > Coleoptera > Chrysomelidae
Lives on
Europe, North America

Where the facts come from

  1. Plagiodera versicolora (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Udo Schmidt. CC BY-SA 2.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: Beetles

Also at home here: Ponds, rivers and shores

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